1 files changed, 28 insertions, 0 deletions
diff --git a/parser/htmlparser/tests/mochitest/file_img_picture_preload.sjs b/parser/htmlparser/tests/mochitest/file_img_picture_preload.sjs
new file mode 100644
index 0000000000..e4a3ba7807
--- /dev/null
+++ b/parser/htmlparser/tests/mochitest/file_img_picture_preload.sjs
@@ -0,0 +1,28 @@
+// Return a PNG, saving an array of query strings we see as state. When query
+// string is 'status', return array as JSON
+
+function handleRequest(request, response)
+{
+  var seenImages = getState("seenImages");
+  seenImages = seenImages ? JSON.parse(seenImages) : [];
+
+  response.setHeader("Cache-Control", "must-revalidate", false);
+
+  if (request.queryString == "status") {
+    response.setHeader("Content-Type", "text/javascript", false);
+    response.write(JSON.stringify(seenImages));
+  } else if (request.queryString == "reset") {
+    // Respond with how many requests we had seen, drop them
+    response.setHeader("Content-Type", "text/plain", false);
+    response.write(String(seenImages.length));
+    seenImages = [];
+  } else {
+    // Return an image
+    response.setStatusLine("1.1", 302, "Found");
+    response.setHeader("Location", "blue.png", false);
+    dump(request.queryString + '\n');
+    seenImages.push(request.queryString);
+  }
+
+  setState("seenImages", JSON.stringify(seenImages));
+}